Suburban and interurban bus companies listed in the Russell's Official National Motor Coach Guide, which was primarily a resource for intercity bus lines.
White Star Line (to Maryville, until 1952)
Lewis Bus Lines - served Knoxville and suburbs.
Suburban Bus Lines - served Powell, Danti, Heiskell. According to July 1982 issue of the magazine "Motor Coach Age", was acquired in 1970 by Knoxville Transit Corp.
Van De Griff Bus Co. - served Knoxville and suburbs.
Smoky Mountain Stages/Smoky Mountain Trailways
Tennessee Coach Co.